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44140747 = 743146647
BaseRepresentation
bin1010100001100…
…0100011001011
310002001120201111
42220120203023
542300000442
64214031151
71044122140
oct250304313
9102046644
1044140747
1122a09662
12129484b7
1391b64b1
145c103c7
153d1db17
hex2a188cb

44140747 has 8 divisors (see below), whose sum is σ = 51620096. Its totient is φ = 36954792.

The previous prime is 44140717. The next prime is 44140763. The reversal of 44140747 is 74704144.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-44140747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44140717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73023 + ... + 73624.

It is an arithmetic number, because the mean of its divisors is an integer number (6452512).

Almost surely, 244140747 is an apocalyptic number.

44140747 is a deficient number, since it is larger than the sum of its proper divisors (7479349).

44140747 is a wasteful number, since it uses less digits than its factorization.

44140747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146697.

The product of its (nonzero) digits is 12544, while the sum is 31.

The square root of 44140747 is about 6643.8503143885. The cubic root of 44140747 is about 353.4108616118.

The spelling of 44140747 in words is "forty-four million, one hundred forty thousand, seven hundred forty-seven".

Divisors: 1 7 43 301 146647 1026529 6305821 44140747